From 4ba3a84d07168f85f13984e6bd143afc4b70a319 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Wed, 1 Apr 2015 15:43:54 +0200
Subject: [PATCH] utils: Make the second 'find-files' argument optional.
* guix/build/utils.scm (find-files): Make 'pred' optional.
---
guix/build/utils.scm | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/guix/build/utils.scm b/guix/build/utils.scm
index 74165c717f..5d229b5f83 100644
--- a/guix/build/utils.scm
+++ b/guix/build/utils.scm
@@ -273,11 +273,12 @@ name matches REGEXP."
(lambda (file stat)
(regexp-exec file-rx (basename file)))))
-(define (find-files dir pred)
+(define* (find-files dir #:optional (pred (const #t)))
"Return the lexicographically sorted list of files under DIR for which PRED
returns true. PRED is passed two arguments: the absolute file name, and its
-stat buffer. PRED can also be a regular expression, in which case it is
-equivalent to (file-name-predicate PRED)."
+stat buffer; the default predicate always returns true. PRED can also be a
+regular expression, in which case it is equivalent to (file-name-predicate
+PRED)."
(let ((pred (if (procedure? pred)
pred
(file-name-predicate pred))))